Posts by vikrant_tomar
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Using Interface in Java with an Example
In this Java tutorial, we will learn about Interfaces. We will also learn using interface in java with the help of an example. An interface is a blueprint of a class. Interfaces s.... Read More
Working with HashMap (Insertion, Deletion, Iteration) in Java
In this Java tutorial, we will learn working with HashMap in Java. A map is an object that stores information as a key- value pair. Given a key, we can find its value. Key and valu.... Read More
Factorial of a large number using BigInteger in Java
To calculate the factorial of a large number in Java we are going to use BigInteger. For the easy understanding, we have provided an easy example. BigInteger class in Java is used .... Read More
Sorting a list of objects of user-defined class using Comparator interface
Sorting is vital in every aspect of programming. The java.util.Collections.sort() function can be used to sort the elements of a list of a predefined data type. The Comparator inte.... Read More